Huawei Proprietary and Confidential
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Maintenance and Replacement
High voltages may cause electric shocks result in serious injury, death or serious property
damage from inverter in operation. Prior to maintenance, power off the inverter and strictly
comply with the safety precautions in this document and associated documents to operate the
inverter.
Maintain the inverter with sufficient knowledge of this document and proper tools and
testing equipment.
Before performing maintenance tasks, power off the inverter and wait at least 5 minutes.
Place temporary warning signs or erect fences to prevent unauthorized access to the
maintenance site.
Rectify any faults that may compromise the inverter security performance before
powering on the inverter again.
Observe ESD precautions during the maintenance.
For personal safety, wear insulation gloves and safety shoes.
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